New constructions rose 6.8% in January, but capital repairs and maintenance works decreased by 23.8% and 21% on the month, respectively.
The data are adjusted for number of working days and seasonal factors.
On an annual basis, adjusted construction works rose 14.2% in January, fueled by a 67.8% increase in new constructions.
Maintenance and capital repair works declined 33.8% and 28.9% on the year, respectively.
In unadjusted data, construction works dropped 63.4% on the month in January, but were up 14.9% compared with the same month of 2011.